pub module class_test;

pub class Animal
{
    pub String name;

    constructor() 
    {
        self.name = "Rex".to_string();
    }

    pub String speak(&self)
    {
        "Unknown".to_string()
    }

    pub void test_speak<'a>(&'a self)
    {
        assert_eq!(self.speak(), "Woof!");
    }

    pub void static_method()
    {
    }
}

pub class Mammal : Animal
{
    constructor() 
    {
        super = Super::new();
    }

    pub void args_test(&self, i32 x, str& y)
    {
        assert_eq!(x, 10);
        assert_eq!(y, "hello");
    }
}

pub class Dog : Mammal
{
    constructor() 
    {
        super = Super::new();
    }

    pub String speak(&self) override(Animal)
    {
        "Woof!".to_string()
    }

    impl std::fmt::Display
    {
        Result<(), std::fmt::Error> fmt(&self, std::fmt::Formatter<'_>& mut f)
        {
            write!(f, "🐾 {}", self.name)
        }
    }
}

pub void run_tests()
{
    let dawg = Dog::new();
    dawg.args_test(10, "hello");
    dawg.test_speak();
    assert_eq!(format!("{dawg}"), "🐾 Rex");
}